1 /*
2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
3 * AUTHOR : Bill Branum
4 * CO-PILOT : Steve Shaw
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it would be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 * Further, this software is distributed without any warranty that it is
15 * free of the rightful claim of any third person regarding infringement
16 * or the like. Any license provided herein, whether implied or
17 * otherwise, applies only to this software file. Patent licenses, if
18 * any, provided herein do not apply to combinations of this program with
19 * other software, or any other product whatsoever.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
26 * Mountain View, CA 94043, or:
27 *
28 * http://www.sgi.com
29 *
30 * For further information regarding this notice, see:
31 *
32 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
33 *
34 */
35 /*
36 * TEST CASES
37 * rmdir(2) test for errno(s) EINVAL, EMLINK, EFAULT
38 */
39
40 #include <errno.h>
41 #include <signal.h>
42 #include <sys/types.h>
43 #include <sys/stat.h>
44 #include <sys/mman.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include "test.h"
48
49 static void setup(void);
50 static void cleanup(void);
51
52 #if !defined(UCLINUX)
53 extern char *get_high_address();
54 int TST_TOTAL = 6;
55 #else
56 int TST_TOTAL = 4;
57 #endif
58
59 char *TCID = "rmdir05";
60
61 static struct stat stat_buf;
62 static char dir_name[256];
63
64 static char *bad_addr = NULL;
65
main(int argc,char ** argv)66 int main(int argc, char **argv)
67 {
68 int lc;
69
70 tst_parse_opts(argc, argv, NULL, NULL);
71
72 setup();
73
74 for (lc = 0; TEST_LOOPING(lc); lc++) {
75 tst_count = 0;
76
77 /*
78 * TEST CASE: 1
79 * path points to the current directory
80 */
81 TEST(rmdir("."));
82
83 if (TEST_RETURN == -1) {
84 if (TEST_ERRNO & (EBUSY | ENOTEMPTY)) {
85 /* For functionality tests, verify that the
86 * directory wasn't removed.
87 */
88 if (stat(".", &stat_buf) == -1) {
89 tst_resm(TFAIL,
90 "rmdir(\".\") removed the current working directory when it should have failed.");
91 } else {
92 tst_resm(TPASS,
93 "rmdir(\".\") failed to remove the current working directory. Returned %d : %s",
94 TEST_ERRNO,
95 strerror(TEST_ERRNO));
96 }
97 } else {
98 tst_resm(TFAIL,
99 "rmdir(\".\") failed with errno %d : %s but expected %d (EBUSY)",
100 TEST_ERRNO,
101 strerror(TEST_ERRNO), EBUSY);
102 }
103 } else {
104 tst_resm(TFAIL,
105 "rmdir(\".\") succeeded unexpectedly.");
106 }
107
108 /*
109 * TEST CASE: 2
110 * path points to the "." (dot) entry of a directory
111 */
112 tst_resm(TCONF, "rmdir on \"dir/.\" supported on Linux");
113
114 tst_resm(TCONF,
115 "linked directories test not implemented on Linux");
116
117 /*
118 * TEST CASE: 4
119 * path argument points below the minimum allocated address space
120 */
121 #if !defined(UCLINUX)
122 TEST(rmdir(bad_addr));
123
124 if (TEST_RETURN == -1) {
125 }
126
127 if (TEST_RETURN == -1) {
128 if (TEST_ERRNO == EFAULT) {
129 tst_resm(TPASS,
130 "rmdir() - path argument points below the minimum allocated address space failed as expected with errno %d : %s",
131 TEST_ERRNO,
132 strerror(TEST_ERRNO));
133 } else {
134 tst_resm(TFAIL,
135 "rmdir() - path argument points below the minimum allocated address space failed with errno %d : %s but expected %d (EFAULT)",
136 TEST_ERRNO,
137 strerror(TEST_ERRNO), EFAULT);
138 }
139 } else {
140 tst_resm(TFAIL,
141 "rmdir() - path argument points below the minimum allocated address space succeeded unexpectedly.");
142 }
143
144 /*
145 * TEST CASE: 5
146 * path argument points above the maximum allocated address space
147 */
148
149 TEST(rmdir(get_high_address()));
150
151 if (TEST_RETURN == -1) {
152 }
153
154 if (TEST_RETURN == -1) {
155 if (TEST_ERRNO == EFAULT) {
156 tst_resm(TPASS,
157 "rmdir() - path argument points above the maximum allocated address space failed as expected with errno %d : %s",
158 TEST_ERRNO,
159 strerror(TEST_ERRNO));
160 } else {
161 tst_resm(TFAIL,
162 "rmdir() - path argument points above the maximum allocated address space failed with errno %d : %s but expected %d (EFAULT)",
163 TEST_ERRNO,
164 strerror(TEST_ERRNO), EFAULT);
165 }
166 } else {
167 tst_resm(TFAIL,
168 "rmdir() - path argument points above the maximum allocated address space succeeded unexpectedly.");
169 }
170 #endif
171
172 /*
173 * TEST CASE: 6
174 * able to remove a directory
175 */
176
177 if (mkdir(dir_name, 0777) != 0) {
178 tst_brkm(TBROK, cleanup,
179 "mkdir(\"%s\") failed with errno %d : %s",
180 dir_name, errno, strerror(errno));
181 }
182
183 TEST(rmdir(dir_name));
184
185 if (TEST_RETURN == -1) {
186 tst_resm(TFAIL,
187 "rmdir(\"%s\") failed when it should have passed. Returned %d : %s",
188 dir_name, TEST_ERRNO, strerror(TEST_ERRNO));
189 } else {
190 /* Verify the directory was removed. */
191 if (stat(dir_name, &stat_buf) != 0) {
192 tst_resm(TPASS,
193 "rmdir(\"%s\") removed the directory as expected.",
194 dir_name);
195 } else {
196 tst_resm(TFAIL,
197 "rmdir(\"%s\") returned a zero exit status but failed to remove the directory.",
198 dir_name);
199 }
200 }
201
202 }
203
204 cleanup();
205 tst_exit();
206 }
207
setup(void)208 void setup(void)
209 {
210 tst_sig(FORK, DEF_HANDLER, cleanup);
211
212 TEST_PAUSE;
213
214 tst_tmpdir();
215
216 /* Create a directory. */
217 if (mkdir("dir1", 0777) == -1) {
218 tst_brkm(TBROK, cleanup, "mkdir() failed to create dir1.");
219 }
220
221 /* Create a unique directory name. */
222 sprintf(dir_name, "./dir_%d", getpid());
223
224 #if !defined(UCLINUX)
225 bad_addr = mmap(0, 1, PROT_NONE,
226 MAP_PRIVATE_EXCEPT_UCLINUX | MAP_ANONYMOUS, 0, 0);
227 if (bad_addr == MAP_FAILED) {
228 tst_brkm(TBROK, cleanup, "mmap failed");
229 }
230 #endif
231 }
232
cleanup(void)233 void cleanup(void)
234 {
235 tst_rmdir();
236 }
237